Friday, January 26, 2007 - Energy Fat 2x amount of energy...

EnergyFat 2x amount of energy as carbohydrates. And 3x the amount from protein.Advantages of lipids over carbohydrates•Twice as much energy from fat.•Stored without water•1 g of glycogen is stored with 2 to 5 g of water.•(Disadvantage – not as rapidly mobilized as carbohyhdrates)•Lipds metabolized in the mitochondria in the presence of O2Examples•CamelUp to 20% of body mass is fat when food is plentiful.Subcutaneous fat would cause thermoregulatory problems.•BearsWhen they hibernate. 100 days without eating.•HumanNormal weight – 40 day reserve of energy due to lipid.Moderately obese – up to a year.Nucleic AcidsNitrogenous heterocyclic bases.Pentose sugarPhosphoric acidExamplesoCoenzymes ( NAD, NADP, FAD)

This
preview
has intentionally blurred sections.
Sign up to view the full version.